From 7c97fa787d0edcde22be76c10d6aefc7ac16758d Mon Sep 17 00:00:00 2001
From: Richard Braun <rbraun@sceen.net>
Date: Wed, 21 Mar 2018 01:10:25 +0100
Subject: Fix builds with Clang

---
 Makefile | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index 201c5c9b..2477b858 100644
--- a/Makefile
+++ b/Makefile
@@ -9,6 +9,8 @@ all: x15 docs
 VERSION = 0.1
 export VERSION
 
+COMMA := ,
+
 ifndef V
 V := 0
 endif
@@ -256,7 +258,7 @@ XBUILD_CFLAGS += -fno-common
 
 # XXX Some assemblers consider the / symbol to denote comments. The --divide
 # option suppresses that behavior.
-XBUILD_CFLAGS += -Wa,--divide
+XBUILD_CFLAGS += $(call xbuild_check_cc_option,-Wa$(COMMA)--divide)
 
 XBUILD_CFLAGS += -Wall
 XBUILD_CFLAGS += -Wextra
-- 
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